public static DefaultDnsResponse FromArray(byte[] message)
{
DnsMessageHeader header = DnsMessageHeader.FromArray(message);
int offset = header.Size;
if (!header.Response || header.QuestionCount == 0)
{
throw new ArgumentException("Invalid response message");
}
if (header.Truncated)
{
return(new DefaultDnsResponse(header,
DnsQuestion.GetAllFromArray(message, offset, header.QuestionCount),
new List <IResourceRecord>(),
new List <IResourceRecord>(),
new List <IResourceRecord>()));
}
return(new DefaultDnsResponse(header,
DnsQuestion.GetAllFromArray(message, offset, header.QuestionCount, out offset),
ResourceRecordFactory.GetAllFromArray(message, offset, header.AnswerRecordCount, out offset),
ResourceRecordFactory.GetAllFromArray(message, offset, header.AuthorityRecordCount, out offset),
ResourceRecordFactory.GetAllFromArray(message, offset, header.AdditionalRecordCount, out offset)));
}
public static DefaultDnsRequest FromArray(byte[] message)
{
DnsMessageHeader header = DnsMessageHeader.FromArray(message);
int offset = header.Size;
if (header.Response || header.QuestionCount == 0 ||
header.AnswerRecordCount + header.AuthorityRecordCount > 0 ||
header.ResponseCode != DnsResponseCode.NoError)
{
throw new ArgumentException("Invalid request message");
}
return(new DefaultDnsRequest(header,
DnsQuestion.GetAllFromArray(message, offset, header.QuestionCount, out offset),
ResourceRecordFactory.GetAllFromArray(message, offset, header.AdditionalRecordCount, out offset)));
}